public Message Transact(Message msg, out MSG_ERROR_MESSAGE msg_err, int time_out)
{
msg_err = (MSG_ERROR_MESSAGE)null;
Message msg1 = (Message)null;
this.commIF.OnFrameReceived += new delegateMessageReceived(this.ProcessFrame);
this.Send(msg);
switch (WaitHandle.WaitAny(new WaitHandle[2]
{
(WaitHandle)this.rsp_event,
(WaitHandle)this.err_event
}, time_out))
{
case 0:
LLRPBinaryDecoder.Decode(ref this.rsp_data, out msg1);
break;
case 1:
int cursor = 0;
BitArray bitArray = Util.ConvertByteArrayToBitArray(this.rsp_data);
int count = bitArray.Count;
msg_err = MSG_ERROR_MESSAGE.FromBitArray(ref bitArray, ref cursor, count);
break;
}
this.commIF.OnFrameReceived -= new delegateMessageReceived(this.ProcessFrame);
return(msg1);
}
/// <summary>
/// Performs a message transaction with the reader. Sends the msg and waitws
/// for a response, an error message or a timeout
/// </summary>
/// <param name="msg">Message to send</param>
/// <param name="msg_err">Output contains error message if sent by reader</param>
/// <param name="time_out">Timeout value to abort waiting for response</param>
/// <returns>Response Message or NULL if error or timeout </returns>
public Message Transact(Message msg, out MSG_ERROR_MESSAGE msg_err, int time_out)
{
msg_err = null;
Message rsp_msg = null;
// subscribe to the comminucations interface delegate to look for the response
commIF.OnFrameReceived += new delegateMessageReceived(this.ProcessFrame);
Send(msg);
// wait for either response or error
WaitHandle[] wait = new WaitHandle[] { rsp_event, err_event };
int wait_result = WaitHandle.WaitAny(wait, time_out);
switch (wait_result)
{
case 0:
/* got a response. already checked the mssage type */
LLRPBinaryDecoder.Decode(ref rsp_data, out rsp_msg);
break;
case 1:
{
int cursor = 0;
int length;
BitArray bArr;
/* got an error */
bArr = Util.ConvertByteArrayToBitArray(rsp_data);
length = bArr.Count;
msg_err = MSG_ERROR_MESSAGE.FromBitArray(ref bArr, ref cursor, length);
}
break;
}
// remove the event handler when our transaction is over
commIF.OnFrameReceived -= new delegateMessageReceived(this.ProcessFrame);
return(rsp_msg);
}
public static void Decode(ref byte[] packet, out Message msg)
{
LLRPBinaryDecoder.LLRP_Envelope env;
LLRPBinaryDecoder.Decode_Envelope(packet, out env);
BitArray bitArray = Util.ConvertByteArrayToBitArray(packet);
int cursor = 0;
switch (env.msg_type)
{
case ENUM_LLRP_MSG_TYPE.GET_READER_CAPABILITIES:
msg = (Message)MSG_GET_READER_CAPABILITIES.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.GET_READER_CONFIG:
msg = (Message)MSG_GET_READER_CONFIG.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.SET_READER_CONFIG:
msg = (Message)MSG_SET_READER_CONFIG.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.CLOSE_CONNECTION_RESPONSE:
msg = (Message)MSG_CLOSE_CONNECTION_RESPONSE.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.GET_READER_CAPABILITIES_RESPONSE:
msg = (Message)MSG_GET_READER_CAPABILITIES_RESPONSE.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.GET_READER_CONFIG_RESPONSE:
msg = (Message)MSG_GET_READER_CONFIG_RESPONSE.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.SET_READER_CONFIG_RESPONSE:
msg = (Message)MSG_SET_READER_CONFIG_RESPONSE.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.CLOSE_CONNECTION:
msg = (Message)MSG_CLOSE_CONNECTION.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.ADD_ROSPEC:
msg = (Message)MSG_ADD_ROSPEC.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.DELETE_ROSPEC:
msg = (Message)MSG_DELETE_ROSPEC.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.START_ROSPEC:
msg = (Message)MSG_START_ROSPEC.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.STOP_ROSPEC:
msg = (Message)MSG_STOP_ROSPEC.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.ENABLE_ROSPEC:
msg = (Message)MSG_ENABLE_ROSPEC.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.DISABLE_ROSPEC:
msg = (Message)MSG_DISABLE_ROSPEC.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.GET_ROSPECS:
msg = (Message)MSG_GET_ROSPECS.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.ADD_ROSPEC_RESPONSE:
msg = (Message)MSG_ADD_ROSPEC_RESPONSE.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.DELETE_ROSPEC_RESPONSE:
msg = (Message)MSG_DELETE_ROSPEC_RESPONSE.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.START_ROSPEC_RESPONSE:
msg = (Message)MSG_START_ROSPEC_RESPONSE.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.STOP_ROSPEC_RESPONSE:
msg = (Message)MSG_STOP_ROSPEC_RESPONSE.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.ENABLE_ROSPEC_RESPONSE:
msg = (Message)MSG_ENABLE_ROSPEC_RESPONSE.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.DISABLE_ROSPEC_RESPONSE:
msg = (Message)MSG_DISABLE_ROSPEC_RESPONSE.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.GET_ROSPECS_RESPONSE:
msg = (Message)MSG_GET_ROSPECS_RESPONSE.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.ADD_ACCESSSPEC:
msg = (Message)MSG_ADD_ACCESSSPEC.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.DELETE_ACCESSSPEC:
msg = (Message)MSG_DELETE_ACCESSSPEC.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.ENABLE_ACCESSSPEC:
msg = (Message)MSG_ENABLE_ACCESSSPEC.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.DISABLE_ACCESSSPEC:
msg = (Message)MSG_DISABLE_ACCESSSPEC.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.GET_ACCESSSPECS:
msg = (Message)MSG_GET_ACCESSSPECS.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.ADD_ACCESSSPEC_RESPONSE:
msg = (Message)MSG_ADD_ACCESSSPEC_RESPONSE.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.DELETE_ACCESSSPEC_RESPONSE:
msg = (Message)MSG_DELETE_ACCESSSPEC_RESPONSE.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.ENABLE_ACCESSSPEC_RESPONSE:
msg = (Message)MSG_ENABLE_ACCESSSPEC_RESPONSE.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.DISABLE_ACCESSSPEC_RESPONSE:
msg = (Message)MSG_DISABLE_ACCESSSPEC_RESPONSE.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.GET_ACCESSSPECS_RESPONSE:
msg = (Message)MSG_GET_ACCESSSPECS_RESPONSE.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.GET_REPORT:
msg = (Message)MSG_GET_REPORT.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.RO_ACCESS_REPORT:
msg = (Message)MSG_RO_ACCESS_REPORT.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.KEEPALIVE:
msg = (Message)MSG_KEEPALIVE.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.READER_EVENT_NOTIFICATION:
msg = (Message)MSG_READER_EVENT_NOTIFICATION.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.ENABLE_EVENTS_AND_REPORTS:
msg = (Message)MSG_ENABLE_EVENTS_AND_REPORTS.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.KEEPALIVE_ACK:
msg = (Message)MSG_KEEPALIVE_ACK.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.ERROR_MESSAGE:
msg = (Message)MSG_ERROR_MESSAGE.FromBitArray(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
case ENUM_LLRP_MSG_TYPE.CUSTOM_MESSAGE:
msg = (Message)CustomMsgDecodeFactory.DecodeCustomMessage(ref bitArray, ref cursor, (int)env.msg_len * 8);
break;
default:
throw new MalformedPacket("Unrecognized message " + (object)env.msg_type);
}
}
